public class VolatileDemo2 {
    private static int count=0;
    public static void main(String[] args) throws InterruptedException {
        Thread t1=new Thread(()->{
           for(int i=0;i<50000;i++) {
               count++;
           }
        });
        Thread t2=new Thread(()->{
            for(int i=0;i<50000;i++) {
                count++;
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("count="+count);
    }
}
